protected void submit_Click(object sender, EventArgs e) { var context = new Learning_PathDataContext(ConfigurationManager.ConnectionStrings["LearningPathsConnectionString1"].ConnectionString); ExpertMarks marks = new ExpertMarks { EPlanSubEntryID = Convert.ToInt32(ViewState["prog2"]), LFEntryID = Convert.ToInt32(ViewState["st3"]), Mark = Convert.ToInt32(marktxt.Text) }; context.ExpertMarks.InsertOnSubmit(marks); context.SubmitChanges(); }